Results 101 to 110 of about 1,059 (159)

[Applications of functional materials-based solid phase microextraction technique in forensic science]. [PDF]

Se Pu, 2023
Xie WY, Zhu XH, Mei HC, Guo HL, Li YJ, Huang Y, Qin H, Zhu J, Hu C.   +8 more
europepmc   +1 more source

酸化梨园土壤酶活性与土壤理化性质之间的关系

Shuitu Baochi Xuebao, 2011
通过野外调查和室内分析相结合,运用相关分析和通径分析等统计方法,研究酸化梨园不同土壤pH梯度下土壤理化性质与土壤酶活性的关系。结果表明:除蔗糖酶仅在5.0～5.5变化趋势最明显外,过氧化氢酶、酸性磷酸酶和脲酶活性在4个pH梯度4.0～4.5,4.5～5.0,5.0～5.5,5.5～6.0下分别表现出明显的层次差异。同时土壤水分和盐分也表现出明显的空间层次差异。土壤酶活性与土壤温度、水分、盐分、pH、各土壤有效养分间相关性较好。就通径分析表明,土壤pH对过氧化氢酶活性的影响最为显著,对蔗糖酶、酸性磷酸酶 ...
赵静, 韩甜甜, 谢兴斌, 董彦, 吴曼, 梁爱新, 沈向   +6 more
doaj  

Diagnosis and treatment for a case of Legionella longbeachae severe pneumonia and literature review. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban, 2021
Feng S, Luo P, Huang S, Ou Z.
europepmc   +1 more source

[Determination of 26 herbicide residues in soil， sediment， and surface water samples using modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Zhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
europepmc   +1 more source

[Simultaneous determination of seven quaternary ammonium compounds in frozen food by ultra performance liquid chromatography-tandem mass spectrometry combined with modified QuEChERS method]. [PDF]

Se Pu, 2023
Liu BL, Zhao ZW, Zhan ZY, Dai YY, Ding G, Xie J, Xu XC, Kong HT.   +7 more
europepmc   +1 more source

[Evaluation of Gradient-Variant Quantum Dot Fluorescence Technology for Rapid Detection of <i>Brucella</i>]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Li J, Wang X, Wang J, Tian S, Zhao C, Wang X, Jian W, Li S, Zhang Q, Zhou L.   +9 more
europepmc   +1 more source

A case of hypophysis with HIV negative cryptococcal meningitis. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban, 2023
Chi H, Yang Y, Zhang J, Liu D.
europepmc   +1 more source

[Effects of lunar soil simulant and Earth soil on lung injury in mice]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Gong X, He S, Chen Y, Liu Y, Cheng Q, Chen Y, Hu X, Wang Z, Xie H.   +8 more
europepmc   +1 more source

[Progress in preparation of plant biomass-derived biochar and application in pesticide residues field]. [PDF]

Se Pu, 2022
Zhang X, Zhen D, Liu F, Peng Q, Wang Z.
europepmc   +1 more source

[Rapid determination of chlorate and perchlorate in tea by ion exchange chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Ye ML, Zhao GH, Wang Y, Lin JR, Liu WX, Lu J, Zhao YG, Cao B.   +7 more
europepmc   +1 more source